Details

The following is the ticket for feedbacks:

Attendees could evaluate four speaker characteristics:

  • Expectation (“Aspettative”)
  • Interesting (“Interessante”)
  • Useful (“Utile”)
  • OralPresentation (“Esposizione”)

For each one the attendee could choose from 1 (not appreciated) to 6 smiles (really appreciated). In addition to this he could choose one or more of these qualities:

  • Funny (“Divertente”)
  • Expert (“Esperto”)
  • Orator (“Oratore”)
  • Motivator (“Motivatore”)
  • Teacher (“Insegnante”)
The tracks that were available at the Demo Event are these ones:
TrackName
Llytse
Veormi
Mneshe
Phrypa

Adoption of Trimmed Mean

The trimmed mean is computed by discarting a certain percentage of the lowest and the highest scores in a ordered set of data and then computing the mean of the remaining scores. Trimmed means are used in certain sporting events (e.g. ice skating, gymnastics) to judge competitors’ levels of performance and to prevent the effects of extreme ratings, possibly caused by biased judges. In our case, there is quite always someone who doesn’t feel comfortable with the topic and gives so a low evaluation, and someone who’s a speaker’s friend, that overestimates his session.

So let’s first calculate an auxiliary data frame containing the 10th and 90th percentile of the total evaluation distribution, given by the sum of the characteristic evaluations for each speaker:
SpeakerName perc10 perc90
Averill Vespa 15.0 24.0
Coreen Domínguez 17.5 22.0
Delta Shelby 14.2 22.0
Elsabeth Fabbro 19.0 24.0
Enej Fini 19.0 24.0
Evander Corvi 17.0 22.5
Galen Manfredi 16.0 24.0
Goffredo Fava 15.4 23.0
Harrison Serpico 15.0 24.0
Irvine Fairburn 15.0 24.0
Kristine Harland 16.2 23.4
Millicent Quincey 18.0 24.0
Oleksander Wynne 17.0 24.0
Paislee Jež 15.6 22.0
Purdie Badcock 18.0 24.0
Rhianna Clarke 15.0 24.0
Santos Coy 16.0 22.1
Sloan Combs 15.0 22.8
Sonny Rodríguez 16.1 20.8
Spencer Hargrave 18.2 23.0
Tobias Hobbes 19.0 19.8
Valentín Alexander 17.2 24.0
Virginia Devin 15.6 21.4
Vladimira Chancellor 17.0 23.0

We want to trim the values before the 10th percentile and after the 90th percentile of the distribution. The ‘ToBeTrimmed’ column identifies the rows out of the upon mentioned range. The NA values in the numeric columns are replaced with 0.

Here the whole row details for each speaker:


Averill Vespa

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Averill Vespa (Criminals without fear)
5 2 3 2 12 He speaks too fast 0 0 0 0 0 1
4 3 3 4 14 0 1 0 0 0 1
5 5 2 3 15 Too much concepts in this session 0 0 0 0 0 0
4 4 4 4 16 0 0 0 0 1 0
4 4 4 4 16 0 0 1 0 0 0
4 5 4 4 17 0 1 0 0 1 0
4 4 5 5 18 0 1 0 0 0 0
4 5 4 5 18 0 1 1 0 0 0
5 5 5 4 19 0 1 0 0 0 0
4 5 4 6 19 0 1 0 0 1 0
4 6 4 5 19 1 1 0 0 0 0
6 5 5 4 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 1 0
5 6 5 5 21 0 1 1 0 0 0
6 5 5 5 21 1 1 0 0 1 0
5 6 5 6 22 1 1 0 0 1 0
6 6 6 6 24 0 1 0 0 1 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 0 1 0 0 1 0




The speaker’s attitudes are summarized by the following gauges:




Coreen Domínguez

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Coreen Domínguez (Accepting the river)
4 5 4 3 16 1 1 0 0 0 1
4 4 4 4 16 0 1 0 0 0 1
4 4 4 4 16 0 1 0 0 1 1
4 5 4 4 17 1 1 0 0 0 1
4 4 5 5 18 0 1 0 0 0 0
3 5 5 5 18 0 1 0 0 0 0
6 4 4 4 18 0 1 0 0 0 0
4 5 5 4 18 0 0 1 0 0 0
4 5 5 4 18 1 1 0 0 0 0
4 5 5 4 18 Please, use the microphone 0 0 0 1 0 0
4 5 5 4 18 1 1 0 0 0 0
5 5 4 4 18 0 0 0 0 1 0
4 5 5 5 19 0 1 0 0 0 0
5 5 5 4 19 1 1 0 0 1 0
5 4 5 5 19 0 0 0 0 1 0
5 5 5 4 19 0 1 0 0 0 0
5 5 5 5 20 0 1 1 0 1 0
5 5 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 Please, use the microphone 0 0 1 0 0 0
5 5 5 5 20 1 0 0 0 1 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 1 1 0 1 0 0
5 5 5 6 21 0 1 0 0 0 0
4 6 6 5 21 1 1 0 0 0 0
5 5 6 5 21 0 1 0 0 0 0
5 6 5 6 22 0 0 0 0 0 0
5 6 6 5 22 1 1 0 0 1 0
5 6 6 5 22 1 1 0 0 1 0
5 6 6 5 22 0 0 0 0 0 0
6 5 5 6 22 1 1 0 0 1 0
5 6 6 6 23 0 1 1 0 1 1
6 6 6 6 24 1 0 0 0 1 1
6 6 6 6 24 1 1 0 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Delta Shelby

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Delta Shelby (Fish and children)
5 1 1 1 8 0 0 0 0 0 1
4 3 3 3 13 1 0 0 1 0 1
4 4 4 3 15 1 0 0 0 0 0
6 3 3 3 15 1 0 0 0 0 0
4 4 4 4 16 0 1 0 0 0 0
4 4 4 4 16 0 0 1 0 0 0
4 4 4 4 16 1 0 0 0 0 0
5 4 4 3 16 0 0 0 0 0 0
4 5 4 4 17 0 0 0 1 0 0
4 5 4 4 17 1 0 0 0 0 0
4 4 5 4 17 1 0 0 0 0 0
4 5 5 5 19 0 0 0 1 0 0
5 5 5 5 20 1 1 0 0 0 0
5 5 5 5 20 1 0 0 0 0 0
5 5 6 6 22 1 1 0 1 0 0
5 5 6 6 22 1 1 0 0 0 0
6 5 6 5 22 1 1 0 1 0 0




The speaker’s attitudes are summarized by the following gauges:




Elsabeth Fabbro

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Elsabeth Fabbro (Snake of freedom)
5 3 4 4 16 0 0 0 0 1 1
3 5 5 5 18 0 1 1 0 0 1
5 4 5 5 19 0 1 0 0 0 0
5 5 5 4 19 1 1 0 0 0 0
4 5 4 6 19 0 1 1 0 0 0
5 5 5 5 20 0 0 0 1 0 0
3 6 6 5 20 0 1 0 0 1 0
3 5 6 6 20 1 1 1 0 0 0
4 6 5 5 20 1 1 0 0 0 0
4 6 5 6 21 1 1 0 1 0 0
3 6 6 6 21 1 0 0 0 0 0
4 6 5 6 21 0 1 0 0 0 0
5 5 6 6 22 0 1 0 0 0 0
4 6 6 6 22 1 1 0 0 0 0
4 6 6 6 22 1 0 0 1 0 0
5 6 5 6 22 1 1 0 1 0 0
5 6 5 6 22 1 1 1 0 1 0
5 6 6 6 23 1 1 1 1 1 0
5 6 6 6 23 1 1 0 0 0 0
5 6 6 6 23 0 1 1 0 1 0
5 6 6 6 23 1 1 0 0 1 0
6 6 6 6 24 0 1 1 0 1 0
6 6 6 6 24 0 0 0 0 0 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 1 1 0 1 0 0




The speaker’s attitudes are summarized by the following gauges:




Enej Fini

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Enej Fini (Blinded in the stars)
4 4 5 4 17 0 0 0 0 1 1
5 4 4 4 17 0 1 0 0 0 1
4 5 5 5 19 0 1 1 0 0 0
5 5 4 5 19 1 1 0 0 0 0
4 5 5 5 19 0 1 0 0 0 0
4 5 5 5 19 0 1 0 1 0 0
4 5 4 6 19 0 1 0 0 0 0
5 5 4 5 19 0 1 0 1 0 0
5 5 4 5 19 0 1 0 0 1 0
4 5 5 5 19 0 1 1 0 1 0
5 5 4 5 19 0 1 0 0 0 0
4 6 5 5 20 1 1 0 0 1 0
5 5 5 6 21 1 0 0 0 1 0
6 5 5 5 21 0 1 0 0 0 0
5 6 5 5 21 1 1 0 0 0 0
5 5 5 6 21 0 0 0 1 0 0
5 5 5 6 21 Very good session! 0 1 0 0 0 0
4 6 5 6 21 0 1 0 0 0 0
5 5 5 6 21 0 1 0 0 0 0
5 6 5 6 22 1 1 0 0 0 0
5 6 6 5 22 0 1 0 0 0 0
5 6 6 6 23 1 1 1 0 1 0
6 6 6 5 23 Really advanced! 0 1 0 0 0 0
6 6 5 6 23 0 1 0 0 0 0
6 6 6 6 24 1 1 1 0 0 0
6 6 6 6 24 0 0 0 0 1 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 1 0 0 0 0 0




The speaker’s attitudes are summarized by the following gauges:




Evander Corvi

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Evander Corvi (Butcher without flaws)
3 4 4 5 16 1 0 0 1 0 1
4 4 4 5 17 0 1 1 0 0 0
4 5 4 4 17 0 0 1 0 0 0
4 5 5 5 19 0 0 0 1 0 0
4 5 5 5 19 1 0 0 0 1 0
4 5 5 5 19 0 1 0 1 1 0
5 5 5 5 20 0 1 0 1 0 0
5 6 5 5 21 0 0 1 0 0 0
5 5 5 6 21 1 1 0 1 0 0
3 6 6 6 21 1 1 1 1 0 0
4 6 6 6 22 1 1 1 1 0 0
4 6 6 6 22 1 1 0 1 0 0
4 6 6 6 22 1 0 0 1 0 0
5 6 6 5 22 1 1 1 0 0 0
5 6 6 6 23 1 0 1 1 0 1
5 6 6 6 23 0 1 1 1 0 1




The speaker’s attitudes are summarized by the following gauges:




Galen Manfredi

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Galen Manfredi (Ruination without a conscience)
4 4 4 4 16 0 1 0 0 1 0
4 4 4 4 16 1 0 0 0 0 0
5 4 4 3 16 0 1 0 0 0 0
3 4 4 5 16 0 1 1 0 0 0
5 4 2 5 16 0 0 0 0 0 0
5 4 4 4 17 0 1 0 0 0 0
5 4 5 5 19 0 0 0 1 0 0
5 4 5 5 19 0 0 0 0 1 0
4 5 5 5 19 1 1 0 0 0 0
5 5 5 4 19 0 1 1 0 0 0
4 5 5 5 19 1 1 0 0 0 0
4 5 5 5 19 0 1 0 1 0 0
4 5 6 4 19 0 1 0 0 0 0
5 5 4 5 19 1 1 0 0 0 0
4 5 6 5 20 1 1 0 0 0 0
4 5 5 6 20 0 0 0 1 0 0
4 5 6 6 21 1 1 0 0 1 0
4 6 6 5 21 1 1 0 0 1 0
5 5 5 6 21 1 1 0 0 0 0
5 6 5 6 22 1 1 0 0 0 0
6 5 5 6 22 1 1 0 0 0 0
5 6 5 6 22 1 1 1 0 0 0
5 6 6 6 23 1 1 0 0 0 0
6 6 6 6 24 1 1 0 0 0 0
6 6 6 6 24 0 0 0 0 0 0
6 6 6 6 24 1 1 1 1 1 0
6 6 6 6 24 1 1 0 0 0 0
6 6 6 6 24 0 0 0 0 0 0




The speaker’s attitudes are summarized by the following gauges:




Goffredo Fava

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Goffredo Fava (Mice of the end)
3 4 0 4 11 1 0 1 0 0 1
4 4 3 4 15 1 0 0 0 0 1
4 4 3 4 15 0 1 0 0 0 1
5 4 4 4 17 0 1 0 0 0 0
4 4 4 5 17 0 0 1 0 0 0
5 5 4 4 18 1 1 0 0 0 0
5 4 5 5 19 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
6 6 4 5 21 Definitions and formulas needed to better understand the session 1 1 0 1 0 0
4 6 5 6 21 1 0 1 1 0 0
4 6 5 6 21 1 1 1 0 0 0
5 5 5 6 21 1 1 0 1 0 0
5 6 5 6 22 1 1 0 1 0 0
5 6 5 6 22 the second part please a bit more slow 1 1 1 1 1 0
6 5 6 5 22 1 1 0 1 0 0
5 5 6 6 22 1 1 0 0 0 0
5 6 5 6 22 1 1 1 0 0 0
5 6 5 6 22 1 1 0 0 0 0
5 6 5 6 22 1 1 0 0 0 0
5 6 6 6 23 1 1 1 0 0 0
5 6 6 6 23 1 1 1 1 0 0
6 6 5 6 23 0 1 0 0 1 0
6 6 6 6 24 0 0 0 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Harrison Serpico

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Harrison Serpico (Emperor with money)
0 0 0 0 0 1 1 1 0 0 1
0 0 0 0 0 1 1 1 1 1 1
4 3 3 4 14 This session is tagged as Intermediate, but it’s for Beginners 1 1 1 0 1 1
5 3 3 4 15 0 1 1 0 1 0
4 4 4 3 15 0 0 0 0 0 0
4 3 4 5 16 1 0 1 0 1 0
4 4 4 5 17 0 1 0 0 0 0
4 4 4 6 18 Very good! 0 0 1 0 0 0
4 5 5 4 18 Really interesting 1 1 0 0 1 0
5 4 4 5 18 This session is tagged as Intermediate, but it’s for Beginners 1 1 0 0 1 0
4 4 4 6 18 0 1 1 0 0 0
5 5 4 5 19 1 0 0 0 0 0
5 5 4 5 19 0 0 1 1 1 0
4 5 5 5 19 1 1 0 1 0 0
5 5 4 6 20 0 0 1 0 1 0
5 5 5 5 20 1 1 1 1 1 0
5 5 6 5 21 0 1 0 0 1 0
5 5 6 5 21 0 1 1 0 1 0
4 6 6 6 22 1 1 1 0 0 0
4 6 6 6 22 0 0 1 0 1 0
4 6 6 6 22 1 1 1 1 1 0
4 6 6 6 22 1 1 1 0 0 0
4 6 6 6 22 1 1 1 1 1 0
5 6 6 6 23 1 1 1 1 1 0
5 6 6 6 23 1 1 0 0 0 0
6 6 6 6 24 1 1 0 1 0 0
6 6 6 6 24 1 1 1 1 1 0
6 6 6 6 24 1 1 1 1 1 0
6 6 6 6 24 1 1 0 0 0 0
6 6 6 6 24 1 1 1 1 1 0
6 6 6 6 24 0 1 1 0 0 0
6 6 6 6 24 1 1 0 0 0 0




The speaker’s attitudes are summarized by the following gauges:




Irvine Fairburn

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Irvine Fairburn (Union of greatness)
4 5 0 4 13 0 1 0 0 1 1
1 4 3 5 13 0 1 1 0 1 1
5 5 4 3 17 0 1 0 0 0 0
4 5 4 5 18 1 1 1 1 0 0
4 5 4 5 18 0 1 0 0 0 0
5 6 3 5 19 0 0 1 0 1 0
4 5 5 5 19 0 1 1 0 1 0
5 5 5 5 20 1 1 1 1 1 0
5 5 5 5 20 0 0 0 1 1 0
5 5 6 5 21 0 1 0 0 1 0
4 6 6 6 22 0 1 1 0 1 0
5 6 6 6 23 0 0 0 1 0 0
6 6 6 6 24 1 1 1 1 1 0
6 6 6 6 24 0 0 0 0 0 0
6 6 6 6 24 1 1 0 1 1 0
6 6 6 6 24 0 0 0 0 1 0




The speaker’s attitudes are summarized by the following gauges:




Kristine Harland

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Kristine Harland (Assassins of my imagination)
3 4 4 4 15 1 1 0 0 0 1
3 4 4 6 17 1 0 0 1 0 0
4 5 4 5 18 1 1 1 0 1 0
4 5 5 5 19 1 1 0 0 0 0
5 5 4 5 19 1 1 0 0 0 0
5 6 6 6 23 1 1 1 1 1 0
6 6 6 6 24 1 0 1 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Millicent Quincey

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Millicent Quincey (Descendants and bandits)
3 4 3 5 15 0 1 1 0 1 1
4 4 5 4 17 0 0 0 1 0 1
4 5 4 5 18 0 1 0 0 1 0
4 5 5 4 18 0 1 0 0 0 0
4 5 4 6 19 0 0 0 0 0 0
5 5 4 5 19 0 1 1 0 0 0
4 5 5 5 19 0 1 0 0 1 0
4 5 5 5 19 0 1 0 1 1 0
5 5 5 5 20 0 0 0 1 0 0
4 5 5 6 20 0 1 0 0 0 0
6 5 5 5 21 0 0 0 0 1 0
4 6 6 6 22 0 1 0 0 1 0
5 6 5 6 22 0 0 1 0 0 0
4 6 6 6 22 0 1 0 0 0 0
5 6 6 6 23 Really interesting! 0 1 0 1 0 0
5 6 6 6 23 0 1 0 0 1 0
5 6 6 6 23 1 1 0 0 1 0
6 6 6 6 24 0 1 0 1 1 0
6 6 6 6 24 0 0 0 0 0 0
6 6 6 6 24 0 1 1 0 1 0
6 6 6 6 24 0 1 1 0 1 0
6 6 6 6 24 1 1 0 0 1 0




The speaker’s attitudes are summarized by the following gauges:




Oleksander Wynne

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Oleksander Wynne (Warrior of nightmares)
6 0 0 0 6 0 0 0 0 0 1
4 3 3 4 14 0 0 0 0 0 1
4 5 4 3 16 0 0 0 0 1 1
5 4 4 3 16 0 0 0 0 1 1
5 4 4 4 17 0 1 0 0 0 0
5 4 4 4 17 0 1 0 0 0 0
5 4 4 4 17 0 1 0 0 0 0
4 4 5 4 17 0 0 0 0 1 0
4 5 4 4 17 0 0 0 0 1 0
5 4 4 4 17 0 0 1 0 0 0
3 5 5 5 18 0 0 0 0 1 0
4 4 5 5 18 1 0 0 0 0 0
4 5 4 5 18 0 1 0 0 1 0
5 5 4 4 18 0 1 0 0 0 0
4 5 5 4 18 0 1 0 0 1 0
4 5 5 4 18 0 0 0 0 1 0
4 5 4 5 18 0 1 0 0 1 0
4 5 4 5 18 0 1 0 0 0 0
5 4 4 5 18 0 0 1 0 0 0
5 4 5 5 19 0 0 0 1 0 0
4 5 5 5 19 0 0 0 0 1 0
4 5 5 5 19 0 1 0 1 0 0
4 5 5 5 19 0 1 0 0 1 0
5 5 5 4 19 0 0 0 0 1 0
5 5 5 4 19 0 0 0 0 1 0
5 5 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 0 1 0 1 0
5 5 4 6 20 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 0 0
5 6 4 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 0 0 0 1 0
5 5 5 6 21 0 1 0 0 0 0
5 6 5 5 21 0 0 0 0 1 0
5 6 5 5 21 0 1 0 0 1 0
4 6 5 6 21 0 1 0 0 0 0
5 5 6 6 22 0 1 0 0 0 0
5 5 6 6 22 1 1 0 0 1 0
6 5 6 5 22 0 1 0 0 1 0
5 6 6 5 22 0 0 0 0 1 0
6 6 5 5 22 0 0 0 0 1 0
4 6 6 6 22 0 1 0 0 1 0
4 6 6 6 22 0 1 1 0 0 0
5 6 6 6 23 0 1 0 0 0 0
6 6 6 5 23 0 1 0 0 1 0
5 6 6 6 23 0 1 0 0 1 0
5 6 6 6 23 0 1 0 0 1 0
6 6 6 5 23 0 0 0 0 1 0
5 6 6 6 23 1 1 0 0 1 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 0 1 0 0 1 0
6 6 6 6 24 0 1 0 0 1 0
6 6 6 6 24 0 1 1 0 1 0
6 6 6 6 24 0 1 1 0 0 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 0 1 0 0 0 0




The speaker’s attitudes are summarized by the following gauges:




Paislee Jež

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Paislee Jež (Wolves and hunters)
3 3 4 3 13 0 0 0 0 0 1
3 5 3 4 15 0 1 0 0 1 1
4 4 4 4 16 0 0 0 0 1 0
4 4 4 4 16 0 1 0 0 1 0
5 4 3 4 16 0 1 1 1 0 0
3 4 4 5 16 0 0 0 0 1 0
4 4 4 4 16 1 1 0 0 1 0
4 4 4 5 17 0 1 0 0 0 0
4 5 4 4 17 0 0 1 0 0 0
4 5 3 5 17 0 1 1 0 0 0
4 5 5 4 18 0 1 0 0 0 0
4 5 4 5 18 0 1 0 0 0 0
4 5 4 6 19 0 1 0 0 1 0
5 6 5 6 22 1 1 0 0 1 0
4 6 6 6 22 0 1 0 1 1 0
4 6 6 6 22 1 1 1 1 1 0
6 6 6 6 24 0 0 0 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Purdie Badcock

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Purdie Badcock (Priestess of perfection)
3 5 5 4 17 0 0 0 0 0 1
3 5 5 5 18 0 1 1 0 1 0
4 4 5 5 18 0 0 0 0 1 0
4 5 5 4 18 0 1 0 0 1 0
4 4 4 6 18 0 1 0 1 1 0
4 5 6 4 19 0 1 0 0 0 0
4 5 5 5 19 0 1 0 0 0 0
4 6 5 5 20 0 1 0 0 0 0
3 6 6 5 20 0 1 0 0 0 0
5 5 5 5 20 1 1 1 1 1 0
4 5 5 6 20 0 1 1 0 1 0
4 6 5 5 20 0 1 0 0 1 0
5 5 5 6 21 1 1 0 0 0 0
5 5 6 5 21 0 0 0 0 1 0
5 6 6 6 23 0 1 0 0 1 0
5 6 6 6 23 0 1 0 1 1 0
6 6 6 6 24 1 1 0 0 1 0
6 6 6 6 24 0 1 0 0 0 0
6 6 6 6 24 0 0 0 1 0 0




The speaker’s attitudes are summarized by the following gauges:




Rhianna Clarke

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Rhianna Clarke (Rebels of the stockades)
0 5 0 6 11 0 1 1 0 0 1
4 4 2 5 15 1 0 0 1 0 0
4 4 3 4 15 0 1 0 0 0 0
4 4 4 4 16 0 0 1 0 0 0
3 5 4 5 17 0 1 0 0 1 0
4 4 4 5 17 0 1 0 0 0 0
4 5 4 5 18 0 1 1 0 0 0
4 5 4 5 18 0 1 0 0 1 0
4 5 5 5 19 0 1 0 0 0 0
4 6 4 5 19 0 1 1 0 0 0
4 5 5 5 19 0 1 0 1 0 0
4 5 5 6 20 0 0 0 1 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 1 0 0 0
4 6 5 6 21 1 1 0 0 0 0
6 6 6 6 24 0 1 0 1 1 0
6 6 6 6 24 1 1 0 0 0 0
6 6 6 6 24 1 1 0 0 0 0




The speaker’s attitudes are summarized by the following gauges:




Santos Coy

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Santos Coy (Phantoms and strangers)
4 3 3 5 15 The session is too much for beginners 1 0 0 0 1 1
5 4 3 4 16 1 0 0 0 0 0
4 4 3 5 16 1 0 0 0 0 0
5 4 3 4 16 1 0 0 1 0 0
3 4 4 6 17 0 0 1 0 0 0
4 5 4 5 18 0 1 1 1 0 0
4 4 4 6 18 1 1 0 1 1 0
4 5 5 5 19 0 1 0 0 1 0
6 4 4 5 19 0 0 0 0 1 0
4 5 5 5 19 1 1 0 0 0 0
6 5 5 4 20 0 0 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 4 6 20 Too much GUI shown 1 1 1 0 0 0
6 4 4 6 20 1 0 0 1 1 0
5 5 5 5 20 0 0 1 0 0 0
5 4 5 6 20 1 1 0 0 0 0
4 5 5 6 20 1 1 1 0 0 0
5 5 5 5 20 1 1 0 0 0 0
6 5 4 5 20 1 0 0 1 0 0
4 6 5 6 21 1 1 0 1 1 0
5 5 5 6 21 1 1 1 1 1 0
5 5 5 6 21 0 0 1 0 0 0
5 5 5 6 21 1 1 0 1 0 0
5 6 6 5 22 1 1 0 0 0 0
4 6 6 6 22 1 1 1 1 1 0
5 5 6 6 22 1 1 0 0 0 0
4 6 6 6 22 1 1 1 0 0 0
6 6 5 6 23 1 1 0 1 0 1
6 6 6 6 24 1 1 1 1 0 1
6 6 6 6 24 1 1 0 1 1 1




The speaker’s attitudes are summarized by the following gauges:




Sloan Combs

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Sloan Combs (God of greatness)
5 3 3 3 14 0 1 0 0 0 1
5 3 3 4 15 0 0 1 0 0 0
3 4 3 5 15 1 1 0 0 0 0
1 5 5 6 17 1 0 0 0 0 0
4 4 5 5 18 0 1 0 0 0 0
5 5 4 4 18 1 1 0 1 0 0
4 5 4 5 18 1 1 1 0 0 0
4 4 4 6 18 1 1 0 1 0 0
4 5 4 5 18 1 1 0 0 0 0
4 5 5 5 19 1 1 1 0 0 0
4 5 4 6 19 1 1 1 0 0 0
3 6 5 6 20 1 1 1 0 0 0
5 5 5 5 20 0 1 0 0 0 0
4 6 5 6 21 1 1 1 0 1 0
5 6 5 6 22 1 1 0 1 0 0
6 6 6 6 24 0 0 0 0 0 1
6 6 6 6 24 1 1 1 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Sonny Rodríguez

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Sonny Rodríguez (History of next year)
4 4 4 4 16 0 0 0 0 1 1
4 4 4 4 16 0 0 0 1 0 1
4 5 4 4 17 0 1 1 0 0 0
5 4 4 4 17 0 0 1 0 0 0
4 5 4 4 17 1 0 0 0 0 0
4 5 4 5 18 1 1 0 0 0 0
4 6 4 4 18 0 0 1 0 1 0
4 5 4 5 18 0 0 0 0 1 0
6 4 4 5 19 0 0 0 0 0 0
5 5 4 5 19 0 0 0 0 1 0
4 6 6 5 21 0 0 0 0 1 1
6 6 6 6 24 0 1 0 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Spencer Hargrave

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Spencer Hargrave (Possessed by the past)
4 4 3 5 16 0 1 1 0 1 1
5 5 4 3 17 0 1 0 0 1 1
5 4 3 6 18 0 1 1 0 1 1
4 5 5 5 19 0 1 0 0 0 0
5 5 5 4 19 Your speech is too much fast 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
5 5 5 5 20 0 0 0 0 1 0
4 5 5 6 20 0 1 1 1 1 0
5 5 5 5 20 0 1 0 0 0 0
4 6 5 6 21 0 1 0 0 0 0
5 6 5 5 21 0 1 1 0 1 0
4 6 5 6 21 0 1 0 0 0 0
4 6 5 6 21 0 1 0 0 1 0
5 6 6 5 22 0 1 1 0 0 0
4 6 6 6 22 0 1 1 1 1 0
5 6 6 6 23 0 1 1 0 1 0
5 6 6 6 23 0 1 1 0 1 0
5 6 6 6 23 0 1 1 0 1 0
5 6 6 6 23 0 1 1 0 1 0
6 5 6 6 23 0 1 0 1 0 0
5 6 6 6 23 0 1 0 0 0 0
6 6 6 6 24 1 1 1 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Tobias Hobbes

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Tobias Hobbes (Curse of the north)
4 5 5 5 19 0 1 0 0 0 0
4 5 4 6 19 0 0 0 0 0 0
3 6 5 6 20 0 1 1 1 0 1




The speaker’s attitudes are summarized by the following gauges:




Valentín Alexander

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Valentín Alexander (Women of freedom)
4 4 4 4 16 0 0 1 0 0 1
4 4 4 4 16 0 1 0 0 0 1
4 4 4 4 16 0 0 1 0 0 1
5 5 4 4 18 0 1 0 0 0 0
4 5 5 4 18 0 0 0 0 1 0
6 5 4 4 19 1 0 0 0 0 0
5 5 5 4 19 0 1 0 0 1 0
4 5 5 5 19 0 1 1 0 1 0
5 5 5 5 20 0 0 1 1 0 0
4 5 5 6 20 0 0 0 0 0 0
5 5 5 5 20 0 1 0 0 0 0
6 4 5 5 20 0 0 0 0 1 0
5 5 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 1 0 0 0
4 6 5 6 21 0 1 1 1 1 0
4 6 6 5 21 0 1 1 0 0 0
5 6 5 5 21 0 1 1 0 1 0
5 6 6 5 22 0 1 0 0 0 0
5 6 6 5 22 0 1 0 0 0 0
6 6 6 4 22 0 0 0 0 1 0
6 6 6 5 23 0 1 0 0 1 0
6 6 6 6 24 1 1 0 0 1 0
6 6 6 6 24 0 0 1 0 0 0
6 6 6 6 24 0 1 0 0 1 0
6 6 6 6 24 1 1 0 1 1 0
6 6 6 6 24 0 1 0 0 1 0




The speaker’s attitudes are summarized by the following gauges:




Virginia Devin

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Virginia Devin (Promises of the titans)
2 3 2 3 10 0 0 0 0 0 1
5 4 3 3 15 0 0 0 0 1 1
4 4 4 3 15 0 1 0 0 0 1
4 4 4 4 16 0 0 0 0 0 0
4 4 4 4 16 0 0 0 0 1 0
4 4 4 4 16 0 1 1 0 0 0
5 4 3 4 16 0 0 1 0 0 0
5 4 3 4 16 0 0 0 0 1 0
4 4 5 4 17 0 0 0 0 0 0
4 4 4 5 17 0 1 0 0 1 0
5 4 4 4 17 0 0 0 0 0 0
5 4 4 4 17 0 0 0 0 0 0
4 5 5 4 18 A co-speaker for Linux environment is needed 0 1 0 0 1 0
5 5 4 4 18 0 1 0 0 0 0
5 4 5 5 19 0 0 1 0 1 0
5 5 4 5 19 Slide decks were difficult to read 0 0 0 0 0 0
5 5 5 4 19 Slide decks were difficult to read 0 1 1 0 0 0
5 6 4 5 20 Not so much useful 0 0 0 0 1 0
6 4 5 5 20 A comparison with Windows was expected 0 1 1 0 1 0
5 5 5 5 20 0 1 0 0 0 0
4 5 6 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 0 0 0 0
6 5 4 6 21 0 1 0 0 1 0
5 6 6 5 22 0 1 0 1 1 1
5 6 6 6 23 0 0 0 0 0 1
6 6 6 6 24 The demo wasn’t working 0 1 0 0 0 1




The speaker’s attitudes are summarized by the following gauges:




Vladimira Chancellor

Expectation Interesting Useful OralPresentation TotalEvaluation Notes IsFunny IsExpert IsOrator IsMotivator IsTeacher ToBeTrimmed
Vladimira Chancellor (Heirs without hate)
5 3 3 2 13 0 1 0 0 0 1
3 6 5 4 18 0 1 0 0 0 0
4 6 5 5 20 0 1 0 0 1 0
5 5 5 5 20 0 1 1 0 0 0
5 5 5 6 21 0 1 0 0 1 0
6 5 5 6 22 0 1 0 0 1 0
4 6 6 6 22 0 1 0 0 0 0
5 6 6 6 23 0 1 0 0 0 0
6 6 6 5 23 0 1 0 0 1 0




The speaker’s attitudes are summarized by the following gauges:

Statistics per Track

Now let’s take a look at the trimmed means for each speaker, grouping by the Trak. Some box plot and radar plot are provided.

Llytse Track

Speaker’s Trimmed Means and Standard Deviation per Characteristic and Number of Voters
SpeakerName NumOfVoters Expectation_mean Interesting_mean Useful_mean OralPresentation_mean
Averill Vespa 19 4.95 ± 0.85 5.21 ± 0.71 4.74 ± 0.99 4.95 ± 0.91
Goffredo Fava 19 5.00 ± 0.58 5.42 ± 0.77 5.00 ± 0.67 5.53 ± 0.70
Millicent Quincey 20 4.90 ± 0.85 5.55 ± 0.51 5.35 ± 0.75 5.60 ± 0.60
Purdie Badcock 18 4.50 ± 0.92 5.33 ± 0.69 5.39 ± 0.61 5.33 ± 0.69
Tobias Hobbes 2 4.00 ± 0.00 5.00 ± 0.00 4.50 ± 0.71 5.50 ± 0.71
Vladimira Chancellor 8 4.75 ± 1.04 5.62 ± 0.52 5.38 ± 0.52 5.38 ± 0.74



The evaluation mean and standard error by characteristic are the following:
TrackName Characteristic Evaluation_mean Evaluation_sd
Llytse Expectation 4.81 0.83
Llytse Interesting 5.40 0.66
Llytse Useful 5.13 0.78
Llytse OralPresentation 5.36 0.75
Llytse NumOfVoters 14.33 7.50


Here a detaild view of the speaker distributions around the mean (identified by the bars) by characteristic:





Veormi Track

Speaker’s Trimmed Means and Standard Deviation per Characteristic and Number of Voters
SpeakerName NumOfVoters Expectation_mean Interesting_mean Useful_mean OralPresentation_mean
Coreen Domínguez 29 4.76 ± 0.64 5.07 ± 0.53 5.10 ± 0.49 4.83 ± 0.60
Elsabeth Fabbro 24 4.71 ± 0.95 5.71 ± 0.55 5.58 ± 0.58 5.75 ± 0.53
Evander Corvi 13 4.23 ± 0.60 5.38 ± 0.65 5.23 ± 0.73 5.31 ± 0.63
Sloan Combs 14 3.93 ± 1.07 4.86 ± 0.86 4.36 ± 0.74 5.29 ± 0.73
Sonny Rodríguez 8 4.50 ± 0.76 4.88 ± 0.64 4.00 ± 0.00 4.50 ± 0.53
Valentín Alexander 24 5.17 ± 0.76 5.46 ± 0.59 5.33 ± 0.64 5.08 ± 0.72



The evaluation mean and standard error by characteristic are the following:
TrackName Characteristic Evaluation_mean Evaluation_sd
Veormi Expectation 4.65 0.88
Veormi Interesting 5.29 0.68
Veormi Useful 5.10 0.75
Veormi OralPresentation 5.17 0.72
Veormi NumOfVoters 18.67 8.14


Here a detaild view of the speaker distributions around the mean (identified by the bars) by characteristic:





Mneshe Track

Speaker’s Trimmed Means and Standard Deviation per Characteristic and Number of Voters
SpeakerName NumOfVoters Expectation_mean Interesting_mean Useful_mean OralPresentation_mean
Delta Shelby 15 4.60 ± 0.74 4.47 ± 0.64 4.60 ± 0.91 4.33 ± 0.98
Irvine Fairburn 14 5.00 ± 0.78 5.50 ± 0.52 5.14 ± 1.03 5.29 ± 0.83
Kristine Harland 5 4.20 ± 0.84 5.00 ± 0.71 4.60 ± 0.89 5.40 ± 0.55
Paislee Jež 14 4.07 ± 0.47 4.79 ± 0.80 4.29 ± 0.91 4.86 ± 0.86
Rhianna Clarke 17 4.41 ± 0.87 5.06 ± 0.75 4.53 ± 1.07 5.18 ± 0.64
Spencer Hargrave 19 4.74 ± 0.56 5.58 ± 0.51 5.42 ± 0.51 5.53 ± 0.61



The evaluation mean and standard error by characteristic are the following:
TrackName Characteristic Evaluation_mean Evaluation_sd
Mneshe Expectation 4.55 0.75
Mneshe Interesting 5.10 0.75
Mneshe Useful 4.81 0.96
Mneshe OralPresentation 5.08 0.85
Mneshe NumOfVoters 14.00 4.82


Here a detaild view of the speaker distributions around the mean (identified by the bars) by characteristic:





Phrypa Track

Speaker’s Trimmed Means and Standard Deviation per Characteristic and Number of Voters
SpeakerName NumOfVoters Expectation_mean Interesting_mean Useful_mean OralPresentation_mean
Enej Fini 26 5.00 ± 0.75 5.46 ± 0.51 5.08 ± 0.69 5.50 ± 0.51
Galen Manfredi 28 4.79 ± 0.83 5.04 ± 0.79 5.04 ± 0.96 5.18 ± 0.86
Harrison Serpico 29 4.83 ± 0.80 5.17 ± 0.97 5.17 ± 1.00 5.45 ± 0.78
Oleksander Wynne 54 4.91 ± 0.73 5.24 ± 0.70 5.13 ± 0.75 5.13 ± 0.73
Santos Coy 26 4.73 ± 0.78 4.85 ± 0.67 4.65 ± 0.89 5.38 ± 0.70
Virginia Devin 21 4.76 ± 0.62 4.52 ± 0.60 4.38 ± 0.74 4.52 ± 0.60



The evaluation mean and standard error by characteristic are the following:
TrackName Characteristic Evaluation_mean Evaluation_sd
Phrypa Expectation 4.85 0.75
Phrypa Interesting 5.09 0.77
Phrypa Useful 4.96 0.87
Phrypa OralPresentation 5.21 0.76
Phrypa NumOfVoters 30.67 11.76



Here a detaild view of the speaker distributions around the mean (identified by the bars) by characteristic:





Statistics for All the Tracks

Let’s compare all the tracks.
Tracks’ Means and Standard Deviation per Characteristic and Voters per Session
Expectation_mean Interesting_mean Useful_mean OralPresentation_mean NumOfVoters_mean
4.81 ± 0.83 5.40 ± 0.66 5.13 ± 0.78 5.36 ± 0.75 14.33 ± 7.50
4.81 ± 0.83 5.40 ± 0.66 5.13 ± 0.78 5.36 ± 0.75 14.33 ± 7.50
4.81 ± 0.83 5.40 ± 0.66 5.13 ± 0.78 5.36 ± 0.75 14.33 ± 7.50
4.81 ± 0.83 5.40 ± 0.66 5.13 ± 0.78 5.36 ± 0.75 14.33 ± 7.50

Statistics for All the Speakers

Here some statistics to compare all the speakers.

Speakers comparison per Characteristic and Attutude

Here are reported the sum of votes each speaker has had for each characteristic:
Speaker’s Votes per Characteristic
SpeakerName NumOfVOters Expectation Interesting Useful OralPresentation
Averill Vespa 19 4.95 5.21 4.74 4.95
Coreen Domínguez 29 4.76 5.07 5.10 4.83
Delta Shelby 15 4.60 4.47 4.60 4.33
Elsabeth Fabbro 24 4.71 5.71 5.58 5.75
Enej Fini 26 5.00 5.46 5.08 5.50
Evander Corvi 13 4.23 5.38 5.23 5.31
Galen Manfredi 28 4.79 5.04 5.04 5.18
Goffredo Fava 19 5.00 5.42 5.00 5.53
Harrison Serpico 29 4.83 5.17 5.17 5.45
Irvine Fairburn 14 5.00 5.50 5.14 5.29
Kristine Harland 5 4.20 5.00 4.60 5.40
Millicent Quincey 20 4.90 5.55 5.35 5.60
Oleksander Wynne 54 4.91 5.24 5.13 5.13
Paislee Jež 14 4.07 4.79 4.29 4.86
Purdie Badcock 18 4.50 5.33 5.39 5.33
Rhianna Clarke 17 4.41 5.06 4.53 5.18
Santos Coy 26 4.73 4.85 4.65 5.38
Sloan Combs 14 3.93 4.86 4.36 5.29
Sonny Rodríguez 8 4.50 4.88 4.00 4.50
Spencer Hargrave 19 4.74 5.58 5.42 5.53
Tobias Hobbes 2 4.00 5.00 4.50 5.50
Valentín Alexander 24 5.17 5.46 5.33 5.08
Virginia Devin 21 4.76 4.52 4.38 4.52
Vladimira Chancellor 8 4.75 5.62 5.38 5.38

The rank for each characteristic can be easely view thanks to the following circle plot:

Speaker’s Votes per Attitude. The rate is given by the referring variable divided by the number of voters
SpeakerName NumOfVoters IsFunny IsExpert IsOrator IsMotivator IsTeacher IsFunnyRate IsExpertRate IsOratorRate IsMotivatorRate IsTeacherRate
Averill Vespa 19 3 16 3 0 8 0.16 0.84 0.16 0.00 0.42
Coreen Domínguez 29 9 21 3 2 9 0.31 0.72 0.10 0.07 0.31
Delta Shelby 15 10 5 1 4 0 0.67 0.33 0.07 0.27 0.00
Elsabeth Fabbro 24 13 20 6 6 6 0.54 0.83 0.25 0.25 0.25
Enej Fini 26 8 22 4 3 6 0.31 0.85 0.15 0.12 0.23
Evander Corvi 13 7 8 6 8 2 0.54 0.62 0.46 0.62 0.15
Galen Manfredi 28 15 21 4 4 5 0.54 0.75 0.14 0.14 0.18
Goffredo Fava 19 14 17 7 7 2 0.74 0.89 0.37 0.37 0.11
Harrison Serpico 29 18 22 18 10 16 0.62 0.76 0.62 0.34 0.55
Irvine Fairburn 14 4 9 6 6 9 0.29 0.64 0.43 0.43 0.64
Kristine Harland 5 5 4 2 2 2 1.00 0.80 0.40 0.40 0.40
Millicent Quincey 20 2 15 4 4 11 0.10 0.75 0.20 0.20 0.55
Oleksander Wynne 54 3 37 6 2 32 0.06 0.69 0.11 0.04 0.59
Paislee Jež 14 3 11 4 3 8 0.21 0.79 0.29 0.21 0.57
Purdie Badcock 18 3 15 3 4 11 0.17 0.83 0.17 0.22 0.61
Rhianna Clarke 17 4 14 4 4 3 0.24 0.82 0.24 0.24 0.18
Santos Coy 26 18 16 9 9 7 0.69 0.62 0.35 0.35 0.27
Sloan Combs 14 11 12 6 3 1 0.79 0.86 0.43 0.21 0.07
Sonny Rodríguez 8 2 2 3 0 3 0.25 0.25 0.38 0.00 0.38
Spencer Hargrave 19 0 18 8 3 10 0.00 0.95 0.42 0.16 0.53
Tobias Hobbes 2 0 1 0 0 0 0.00 0.50 0.00 0.00 0.00
Valentín Alexander 24 3 17 7 3 14 0.12 0.71 0.29 0.12 0.58
Virginia Devin 21 0 11 5 0 10 0.00 0.52 0.24 0.00 0.48
Vladimira Chancellor 8 0 8 1 0 4 0.00 1.00 0.12 0.00 0.50

In the same way it’s possible to visualize the ranking for each attitude:

Speakers Overall Ranking

Averaging the sum of all characteristics’ votes, is possible to have an overall ranking for the speakers. Here a visualization of the rankings: